Improved bkioi-mould safety-guard



@uitrit tudes glstent @frn BENJAMIN PORTER, OF JACKSON, MICHIGAN,ASSIGNOR TO HIMSELF, JOHNVGEORGE,

THOMAS E. LUSK, ALFRED E. VANDERCOOK, AND OSCAR VANDERCOOK, OF SAMEPLAGE. i y

v:ulIPRoi/LD Beier-MOULD SAFETY-GUARD.

titte dgemle meer in in tigers Estima haunt mit mating putt nf its time.

.To WHoM rr MAY oo'NonRN;

Be it known that I,` BENJAMIN PORTER, of Jackson, in the county ofJackson,land State of-Michigan, have invented a. new land usefulImprovement in Brick-Mould Safety-Guards; and do declare that thefollowing is a true and accuratedescription thereof, reference being hadto lthe accompanying drawings, and tothe letters of reference markedthereon, and being apart of this spcication.

' Figure l'is a front view, with one door open. I 4

Figure 2 is a sectional transverse viewA of the same from x toux. Figure3 is a bottom view of the same. Like letters indicate like .parts ineach figure. The nature of .this invention consists in' providing thefront faces ot' jack-moulds forjbrick-machines with proper doors andsprings, acting as safety-guards forthe brick-moulds.

It is a \vell-known fact that in the manufacture of brick, stones orother obstacles often get into the moulds,

and in removing the same, considerable time is lost, and the liabilityof losing theentire set of brick. To obviatethese disadvantages, Iconstruct and attach to` frame Aat the bottom, theordinary metallicjackmoulds B, the front` faces of which are provided with suitable doorsG, the same being kept closed by springs D and braces E. Shouldvanyobstacle have been pressed into the portable moulds,`that projectsabove the upper face'of the same, itis removed by the forward motiongiven said moulds in making room forothers, by

bringing the obstacle against the respective door in front, which samerises, allowing the obstacle to pass out,

immediately iiying back to place-,after the passing outof saidobstruction, bythe action of the respective spring and brace on thesame, as shown in iig. 2. r g

Having thus described the nature of' my invention, I will now proceed todescribe andname its various parts, so thatthose skilled in the art canmanufacture the same. A is .a'box or frame,and connected thereto at thebottom by arms F are the jack-moulds D, the front faces of which -areprovided Ywith hinged `doorsC- opening at the bottoni. D are springs,rigidly attached at their tops to the front of box A, and provided attheir lower ends with braces E, connected to the springs by hingejointsHQ Doors C are kept in proper position by the action of springs D uponbraces E, the lower ends oi' which. work freely in the respectiverecesses G, provided for the same in the front of doors C, as shown iniig. 2, I do .inot claim broadly any kind of hinge, such as patented byWilliam B. Barnard, April 9, 1850, as I coniine my invention strictly tosafety-guards of brick-moulds, on the operation of which my invention isan "improvement, and to such only does my claim refer.

-What I claim as my invention, and desire vto secure by Letters Patent,is-

The springs D, when provided with hinge-joints H and braces E,whichilatter move in thc recesses G oi' doors C, all operating andarranged substantially as described and for the purposes sc t forth. lBENJ. PORTER.

Witnesses:

R; Scauri-2s,

JAS. H. Dvzen.

